Home / 15,842.07-21,842.16-10,166.79

Finding the Fourth Proportional to 15,842.07, 21,842.16 and 10,166.79

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Solution

The fourth proportional to 15,842.07, 21,842.16 and 10,166.79 is: 14,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842.07 : 21,842.16 = 10,166.79 : x
  2. Step 2: Convert to fraction form
    15,842.07/21,842.16 = 10,166.79/x
  3. Step 3: Cross multiply
    15,842.07x = 21,842.16 × 10,166.79
  4. Step 4: Simplify right side
    15,842.07x = 222,064,653.87
  5. Step 5: Solve for x
    x = 222,064,653.87/15,842.07
  6. Step 6: Final answer
    x = 14,017.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.